entozoan

Thesaurus

Noun	1.	entozoan - any of various parasites that live in the internal organs of animals (especially intestinal worms)endoparasite, endozoan, entoparasite, entozoonparasite - an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host
Adj.	1.	entozoan - of or relating to entozoaendozoan
	2.	entozoan - living within a living animal usually as a parasite; "entozoic worms"endozoic, entozoic